user 36474849

My engine came up with the P0068 code for a short 12hr span twice now in the last month or so.

I'm going to be cleaning the throttle body this weekend (https://www.audiworld.com/forums/a6-...fixed-2784013/) as it look's to be the culprit. While picking up some TB cleaner yesterday I came accross this particular item:

DLŽ Turbo? Lethal Injection? Carbon Killer? Vacuum Line Induction

I was wondering if anyone's used it or had any thoughts before I even consider purchasing it.

The_Mizarc

Go get yourself some Seafoam and follow the same instructions. Cheaper and more product per dollar spent.

beep-beep

before taking off throttler try to clean the snow screen at the very front of the air intake. It is held with one screw and can be done in 5 minutes. You might need to wipe out the error code after this with the VAGCOM.
I would give 75% chance that the P0068 will go away for long time.
I measured the air flow at idle with VAGCOM before and after I cleaned the screen and it was significantly better after the cleaning. So there is a much better scientific explanation for cleaning the screen than for the throttler body cleaning.